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2256-10 — DIFFUSER,AIR,AIRCRAFT HEATING AN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2256-10: DIFFUSER,AIR,AIRCRAFT HEATING AN.

DIFFUSER,AIR,AIRCRAFT HEATING AN. Key specifications include special_features: MANUFACTURERS NOMENCLATURE,VENT ASSEMBLY, end_item_identification: HELICOPTER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-022-5610, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2256-10
NSN: 5306-00-022-5610
NIINs: 000225610, 011210434, 014678428
FSC: 5306 — Bolts
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
special_featuresMANUFACTURERS NOMENCLATURE,VENT ASSEMBLY
end_item_identificationHELICOPTER
NSN5306-00-022-5610
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2256-10 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.323 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.323 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
FASTENER LENGTH2.250 INCHES NOMINAL IN
THREAD LENGTH1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEHEXAGON FLATS
NOMINAL THREAD DIAMETER0.562 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.847 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2256-10?
2256-10 is a DIFFUSER,AIR,AIRCRAFT HEATING AN.
What is the NSN for 2256-10?
2256-10 is cataloged in the U.S. Government catalog under NSN 5306-00-022-5610. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.